<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>模板</title>
  </head>
  <body>
    <!-- 准备好一个容器 -->
    <div id="test"></div>

    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <!-- 引入react-dom，用于支持react操作DOM -->
    <script
      type="text/javascript"
      src="../js/react-dom.development.js"
    ></script>
    <!-- 引入babel，用于将jsx转换成js -->
    <script type="text/javascript" src="../js/babel.min.js"></script>
    <script type="text/babel">
      //1.创建函数式组件
      function MyComponent() {
        console.log(this);
        return <h2>函数组件</h2>;
      }
      //2.渲染组件
      ReactDOM.render(<MyComponent />, document.querySelector("#test"));
    </script>
  </body>
</html>
